According to some sources, the Citrons were a family of "Levites" or members of the "Tribe of Levi" trading in Etrogs in Portugal's ancient Jewish Quarter Castelo de Vide after being expelled in 1492 from Spain. They were driven out again six years later from Portugal, and the Citron clan moved to Genova in Italy, and from there split three-ways: one family group moved to Russia the second grou...